10 onye nyere iwu ihe atụ maka Linux Newbies
N'edemede anyị mbụ, anyị akọwara ụzọ iri na otu iji chọta ozi akaụntụ onye ọrụ na nkọwa nbanye na Linux. Otu n'ime iwu dị iche iche anyị kwuru bụ onye na-enye iwu nke na-egosipụta ndị ọrụ abanyela na sistemụ Linux ugbu a, gụnyere ọdụ ọdụ ndị ha na-ejikọ.
Isiokwu a ga-akọwa ụfọdụ ihe atụ bara uru nke onye nyere iwu maka Linux newbies.
Isi syntax maka iji onye nyere iwu bụ ndị a.
$ who who [OPTION]... [ FILE | ARG1 ARG2 ]
1. Ọ bụrụ na ị na-agba ọsọ onye nyere iwu na-enweghị arụmụka ọ bụla, ọ ga-egosipụta ozi akaụntụ (aha nbanye, njedebe onye ọrụ, oge nbanye yana onye ọrụ ahụ abanye na ya) na sistemụ gị yiri nke egosiri na nke a. mmepụta.
$ who ravi tty1 2018-03-16 19:27 tecmint pts/0 2018-03-16 19:26 (192.168.56.1) root pts/1 2018-03-16 19:27 (192.168.56.1)
2. Iji bipụta isiokwu nke kọlụm egosiri, jiri ọkọlọtọ -H dị ka egosiri.
$ who -H NAME LINE TIME COMMENT ravi tty1 2018-03-16 19:27 tecmint pts/0 2018-03-16 19:26 (192.168.56.1) root pts/1 2018-03-16 19:27 (192.168.56.1)
3. Iji bipụta aha nbanye na ngụkọta ọnụ ọgụgụ nke ndị ọrụ, jiri ọkọlọtọ -q.
$ who -q ravi tecmint root # users=3
4. Ọ bụrụ na ịchọrọ igosi naanị aha nnabata na onye ọrụ metụtara stdin, jiri -m mgba ọkụ.
$ who -m tecmint pts/0 2018-03-16 19:26 (192.168.56.1)
5. Ọzọ, iji tinye ọkwa onye ọrụ dị ka +, - ma ọ bụ ?, jiri -T nhọrọ.
$ who -T ravi + tty1 2018-03-16 19:27 tecmint + pts/0 2018-03-16 19:26 (192.168.56.1) root + pts/1 2018-03-16 19:27 (192.168.56.1)
Onye na-enye iwu na-enyekwara gị aka ịlele ụfọdụ ozi sistemụ bara uru dị ka oge buut ikpeazụ, runlevel dị ugbu a (ebumnuche n'okpuru sistemụ), bipụta usoro nwụrụ anwụ yana usoro nke init mepụtara.
6. Ka ilele oge nke ikpeazụ usoro buut, na-eji -b ọkọlọtọ na-agbakwụnye -u nhọrọ na-enye ohere maka ndepụta nke abanyela na ọrụ na otu mmepụta.
$ who -b system boot 2018-01-19 02:39
$ who -bu
system boot 2018-03-16 19:25
ravi tty1 2018-03-16 19:27 00:33 2366
tecmint pts/0 2018-03-16 19:26 . 2332 (192.168.56.1)
root pts/1 2018-03-16 19:27 00:32 2423 (192.168.56.1)
7. Ị nwere ike ịlele runlevel dị ugbu a na nhọrọ -r.
$ who -r run-level 3 2018-03-16 02:39
8. Iwu a ga-ebipụta usoro ndị nwụrụ anwụ.
$ who -d pts/1 2018-03-16 11:10 9986 id=ts/1 term=0 exit=0
9. Ọzọkwa, ịhụ arụ ọrụ usoro spawned site init, jiri -p nhọrọ.
$ who -p
10. N'ikpeazụ ma ọ dịghị ihe ọzọ, ọkọlọtọ -a na-enye ohere maka ibipụta mmepụta ndabara yana ozi sitere na ụfọdụ nhọrọ anyị kpuchiri.
$ who -a
system boot 2018-06-16 02:39
run-level 3 2018-01-19 02:39
LOGIN tty1 2018-01-19 02:39 3258 id=1
LOGIN ttyS0 2018-01-19 02:39 3259 id=S0
tecmnt + pts/0 2018-03-16 05:33 . 20678 (208.snat-111-91-115.hns.net.in)
pts/1 2018-03-14 11:10 9986 id=ts/1 term=0 exit=0
Ị nwere ike ịchọta nhọrọ ndị ọzọ site na ịgakwuru onye mmadụ ibe.
$ man who
N'isiokwu a, anyị akọwaala 10 onye nyere iwu ihe atụ maka Linux newbies. Jiri ngalaba nkọwa n'okpuru jụọ ajụjụ ọ bụla ma ọ bụ nye anyị nzaghachi gị.